Home / 141,250.41-195,078.51-87,663.24

Finding the Fourth Proportional to 141,250.41, 195,078.51 and 87,663.24

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Solution

The fourth proportional to 141,250.41, 195,078.51 and 87,663.24 is: 121,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,250.41 : 195,078.51 = 87,663.24 : x
  2. Step 2: Convert to fraction form
    141,250.41/195,078.51 = 87,663.24/x
  3. Step 3: Cross multiply
    141,250.41x = 195,078.51 × 87,663.24
  4. Step 4: Simplify right side
    141,250.41x = 17,101,214,240.97
  5. Step 5: Solve for x
    x = 17,101,214,240.97/141,250.41
  6. Step 6: Final answer
    x = 121,070.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.